Computer Science
Grade 3
20 min
Multimedia Showcase: Sharing Your Creations with the Class
Present and share completed multimedia projects with classmates.
Tutorial Preview
1
Introduction & Learning Objectives
Learning Objectives
Export their digital story as a single, playable file.
Present their multimedia project to a group of peers.
Describe the sequence of events in their digital story (beginning, middle, end).
Explain one 'if...then' conditional they used to make a decision in their story.
Demonstrate one 'when...' event that triggers an action in their project.
Listen respectfully and provide a kind, helpful comment to a classmate about their project.
You built an amazing digital story with code! 🤩 How do you share your masterpiece so everyone can cheer for your work?
In this lesson, you will become a 'Digital Storyteller'! We will learn the steps to prepare and share your creation with the class. Sharing your work is an important final step,...
2
Key Concepts & Vocabulary
TermDefinitionExample
ShowcaseA special time to show your finished work to other people, like an art show for your digital creations.Our 'Multimedia Showcase' is when we will all take turns sharing our digital stories with the class.
ExportSaving your project in a simple format that can be easily opened and played on other computers, like a video file.You export your project from the coding program into an MP4 video file so your friends can watch it.
AudienceThe group of people who are watching and listening to your presentation.When you share your story, your classmates and teacher are your audience.
PresentationThe act of showing and explaining your project to an audience.Your presentation includes playing your story and telling us about one piece of code you used.
SequenceThe...
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Core Syntax & Patterns
The 'Show and Tell' Pattern
1. Greet > 2. Play > 3. Explain > 4. Conclude
Use this four-step sequence for a smooth and complete presentation. It makes sure you cover all the important parts from start to finish.
The 'Code Explorer' Sentence
When explaining your code, say: 'IF... THEN...' or 'WHEN... THEN...'
Use these sentence starters to clearly explain the events and conditionals in your project. This helps the audience understand how you used computer science to bring your story to life.
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Challenging
You want a secret animation to play, but ONLY IF the viewer has clicked the red gem AND has also clicked the blue gem. How must the computer be programmed to check for this?
A.It should only check if the red gem was clicked.
B.It should show the animation at the very beginning.
C.It needs a conditional that checks if two different events have both happened.
D.It should play the animation randomly.
Challenging
A friend's project has a bug: when a dragon appears, a 'roar' sound starts, but it keeps playing on a loop forever, even on the next slides. What is the most likely cause of this bug?
A.The computer's volume is set too high.
B.'play sound until done' or 'start sound' block was used, but a 'stop all sounds' event was never added when leaving the slide.
C.The picture of the dragon is too big for the screen.
D.There is no 'green flag' start button in the project.
Challenging
You are asked to give feedback on a classmate's story about soccer, but you think soccer is boring. What is the most important thing to do to give fair and helpful feedback?
A.Focus on the technical and creative parts: Was the code good? Were the sounds clear? Did the story make sense?
B.Tell them that soccer is boring and they should have picked a better topic.
C.Just say 'It was good' so you don't have to talk about soccer.
D.Suggest they change all the soccer balls into basketballs.
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